Musk mallow
Musk mallow has pretty pink flowers that can be seen along roadside verges, hedgerows and field margins in summer. It lives up to its name, producing a delicate, musky smell that increases indoors.
Musk thistle
A common thistle of roadside verges, rough grassland and waste ground, the Musk thistle has large, purple, nodding flower heads that appear in summer. It is attractive to a wide range of insects.
Mussel
The Common mussel is a familiar sight on shores all around the UK and is a favourite food of people, seabirds and starfish alike.
Mute swan
One of our most iconic waterbirds, the mute swan is famed for its grace and beauty. It is also considered to be a romantic of the bird world because partners form a perfect love heart with their necks.
Narcissus bulb fly
With ginger hairs, dark banding and a cream tail, the Narcissus bulb fly looks like a bumble bee, but is harmless to us. This mimicry helps to protect it from predators while it searches for nectar in gardens.
Natterer's bat
The Natterer's bat can found across the UK, although it is a scarce species. It prefers to forage low down among trees, often taking prey directly from the foliage.
Natterjack toad
The rare natterjack toad is found at just a few coastal locations, where it prefers shallow pools on sand dunes, heaths and marshes.
Navelwort
The disc-shaped leaves and straw-coloured flower spikes of Navelwort help to identify this plant. As does its habitat - look for it growing from crevices in rocks, walls and stony areas.
Netted dog whelk
A small, but feisty scavenger, this carnivorous sea snail does not let anything go to waste!
Nightingale
The melodious song of the nightingale is the most likely sign of this bird being about. Shy and secretive, it sings from dense scrub and woodland, day and night.
Nightjar
The easiest way to find out if the nocturnal and well-camouflaged nightjar is about is to listen out for its distinctive 'churring' call at dusk. A summer visitor, it is most numerous in southern England.
Noble chafer
The Noble chafer is a rare and beautiful metallic-green beetle that can be found in traditional orchards. It is on the wing over summer, feeding on umbellifers. The larvae live in the decaying wood of old trees.